/Engine/Plugins/Experimental/Enterprise/DatasmithInterchange/Source/DatasmithInterchange/Public/InterchangeReferenceMaterials/DatasmithReferenceMaterialSelector.h
virtual void PostImportProcess ( EDatasmithReferenceMaterialType MaterialType, EDatasmithReferenceMaterialQuality MaterialQuality, [UMaterialInstanceConstant](API\Runtime\Engine\Materials\UMaterialInstanceConstant) * MaterialInstance ) const